LANSING, Mich. (AP) — Michigan’s chief health officer is warning that the state could be beginning a second wave of the coronavirus as cases rise along with the number of people in hospitals. The state says Michigan had 89 new cases per 1 million people per day, up from 81.6 cases last week. About 700 people with COVID-19 were in hospitals, up about 20% from last week. The rate of positive tests has ticked up to 3.6% from 3.4%. Dr. Joneigh Khaldun, Michigan's chief medical executive, says it's critical to wear masks and avoid large gatherings.